From 737e553934ca5d554d3ac467a8027aebad8584d0 Mon Sep 17 00:00:00 2001
From: Junyi <mytharcher@users.noreply.github.com>
Date: Sun, 23 Feb 2025 17:34:17 +0800
Subject: [PATCH] chore(server): adjust max listeners number (#6266)

---
 packages/core/server/src/application.ts   | 5 +++++
 packages/core/server/src/gateway/index.ts | 4 ++++
 2 files changed, 9 insertions(+)

diff --git a/packages/core/server/src/application.ts b/packages/core/server/src/application.ts
index e772349e58..6415e6a524 100644
--- a/packages/core/server/src/application.ts
+++ b/packages/core/server/src/application.ts
@@ -1314,6 +1314,11 @@ export class Application<StateT = DefaultState, ContextT = DefaultContext> exten
       },
       logger: this._logger.child({ module: 'database' }),
     });
+
+    // NOTE: to avoid listener number warning (default to 10)
+    // See: https://nodejs.org/api/events.html#emittersetmaxlistenersn
+    db.setMaxListeners(100);
+
     return db;
   }
 }
diff --git a/packages/core/server/src/gateway/index.ts b/packages/core/server/src/gateway/index.ts
index 5b6ca7ec38..fc5578b946 100644
--- a/packages/core/server/src/gateway/index.ts
+++ b/packages/core/server/src/gateway/index.ts
@@ -363,6 +363,10 @@ export class Gateway extends EventEmitter {
 
     const mainApp = AppSupervisor.getInstance().bootMainApp(options.mainAppOptions);
 
+    // NOTE: to avoid listener number warning (default to 10)
+    // See: https://nodejs.org/api/events.html#emittersetmaxlistenersn
+    mainApp.setMaxListeners(50);
+
     let runArgs: any = [process.argv, { throwError: true, from: 'node' }];
 
     if (!isMainThread) {